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-   -   7.4 mpi timing issues (https://www.offshoreonly.com/forums/general-q/359670-7-4-mpi-timing-issues.html)

Cap'm Kurt 03-25-2019 06:42 PM

FYI, here is the timing chart vs manifold pressure for 454 mpi mag. Not a lot of timing.



https://cimg1.ibsrv.net/gimg/www.off...802666323d.jpg

troc 03-26-2019 08:24 AM


Originally Posted by Cap'm Kurt (Post 4678679)
FYI, here is the timing chart vs manifold pressure for 454 mpi mag. Not a lot of timing.



https://cimg1.ibsrv.net/gimg/www.off...802666323d.jpg

That is great thank you ! I will be dynoing this week Looking at inputs at ECM that control timing I will report back thanks again to all

tbanzer 03-26-2019 02:14 PM

Try another Ignition Module. A known good one if possible!

troc 03-27-2019 06:21 PM


Originally Posted by tbanzer (Post 4678833)
Try another Ignition Module. A known good one if possible!

Did that , same timing curve


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